254 lines
8.9 KiB
C#
254 lines
8.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Globalization;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using Mesen.GUI.Forms;
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namespace Mesen.GUI.Debugger
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{
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public partial class frmBreakpoint : BaseConfigForm
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{
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public frmBreakpoint(Breakpoint breakpoint)
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{
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InitializeComponent();
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Entity = breakpoint;
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switch(breakpoint.AddressType) {
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case BreakpointAddressType.AnyAddress: radAnyAddress.Checked = true; break;
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case BreakpointAddressType.SingleAddress: radSpecificAddress.Checked = true; break;
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case BreakpointAddressType.AddressRange: radRange.Checked = true; break;
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}
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AddBinding("MemoryType", cboBreakpointType);
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AddBinding("Enabled", chkEnabled);
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AddBinding("MarkEvent", chkMarkOnEventViewer);
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AddBinding("ProcessDummyReadWrites", chkProcessDummyReadWrites);
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AddBinding("Address", txtAddress);
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AddBinding("StartAddress", txtFrom);
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AddBinding("EndAddress", txtTo);
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AddBinding("BreakOnRead", chkRead);
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AddBinding("BreakOnWrite", chkWrite);
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AddBinding("BreakOnExec", chkExec);
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AddBinding("Condition", txtCondition);
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cboBreakpointType.Items.Clear();
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.CpuMemory));
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.PpuMemory));
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cboBreakpointType.Items.Add("-");
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if(InteropEmu.DebugGetMemorySize(DebugMemoryType.PrgRom) > 0) {
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.PrgRom));
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}
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if(InteropEmu.DebugGetMemorySize(DebugMemoryType.WorkRam) > 0) {
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.WorkRam));
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}
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if(InteropEmu.DebugGetMemorySize(DebugMemoryType.SaveRam) > 0) {
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.SaveRam));
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}
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if(cboBreakpointType.Items.Count > 3) {
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cboBreakpointType.Items.Add("-");
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}
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if(InteropEmu.DebugGetMemorySize(DebugMemoryType.ChrRom) > 0) {
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.ChrRom));
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}
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if(InteropEmu.DebugGetMemorySize(DebugMemoryType.ChrRam) > 0) {
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.ChrRam));
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}
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.NametableRam));
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cboBreakpointType.Items.Add(ResourceHelper.GetEnumText(DebugMemoryType.PaletteMemory));
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this.toolTip.SetToolTip(this.picExpressionWarning, "Condition contains invalid syntax or symbols.");
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this.toolTip.SetToolTip(this.picHelp, frmBreakpoint.GetConditionTooltip(false));
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}
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protected override void OnShown(EventArgs e)
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{
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base.OnShown(e);
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Breakpoint bp = (Breakpoint)this.Entity;
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if(!BreakpointManager.Breakpoints.Contains(bp)) {
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//This is a new breakpoint, make sure address fields are empty instead of 0
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if(bp.Address == UInt32.MaxValue) {
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txtAddress.Text = "";
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}
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if(txtFrom.Text == "0") {
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txtFrom.Text = "";
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}
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if(txtTo.Text == "0") {
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txtTo.Text = "";
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}
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}
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if(bp.Address == 0 && bp.AddressType != BreakpointAddressType.SingleAddress) {
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txtAddress.Text = "";
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}
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if(bp.StartAddress == 0 && bp.EndAddress == 0 && bp.AddressType != BreakpointAddressType.AddressRange) {
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txtFrom.Text = "";
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txtTo.Text = "";
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}
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if(bp.AddressType == BreakpointAddressType.AddressRange) {
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txtFrom.Focus();
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txtFrom.SelectionStart = 0;
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txtFrom.SelectionLength = 0;
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} else if(bp.AddressType == BreakpointAddressType.SingleAddress) {
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txtAddress.Focus();
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txtAddress.SelectionStart = 0;
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txtAddress.SelectionLength = 0;
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}
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}
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public static string GetConditionTooltip(bool forWatch)
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{
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string tooltip =
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"Most expressions/operators are accepted (C++ syntax)." + Environment.NewLine +
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"Note: Use the $ prefix to denote hexadecimal values." + Environment.NewLine +
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"Note 2: Labels assigned to the code can be used (their value will match the label's address in CPU memory)." + Environment.NewLine + Environment.NewLine +
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"A/X/Y/PS/SP: Value of registers" + Environment.NewLine +
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"PsCarry/PsZero/PsOverflow/PsNegative: Value of each matching CPU flag" + Environment.NewLine +
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"PC: Program Counter" + Environment.NewLine +
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"OpPC: Address of the current instruction's first byte" + Environment.NewLine +
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"PreviousOpPC: Address of the previous instruction's first byte" + Environment.NewLine +
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"Irq/Nmi/Sprite0Hit/SpriteOverflow/VerticalBlank: True if the corresponding flags are set" + Environment.NewLine +
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"Branched: True if the current instruction was reached by jumping or branching" + Environment.NewLine +
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"Cycle/Scanline: Current cycle (0-340)/scanline(-1 to 260) of the PPU" + Environment.NewLine +
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"Frame: PPU frame number (since power on/reset)" + Environment.NewLine +
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"Value: Current value being read/written from/to memory" + Environment.NewLine +
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"IsRead: True if the CPU is reading from a memory address" + Environment.NewLine +
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"IsWrite: True if the CPU is writing to a memory address" + Environment.NewLine;
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if(!forWatch) {
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tooltip +=
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"Address: Current CPU memory address being read/written" + Environment.NewLine +
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"RomAddress: Current ROM address being read/written" + Environment.NewLine;
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}
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tooltip +=
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"[<address>]: (Byte) Memory value at <address> (CPU)" + Environment.NewLine +
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"{<address>}: (Word) Memory value at <address> (CPU)" + Environment.NewLine + Environment.NewLine +
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"Examples:" + Environment.NewLine +
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"a == 10 || x == $23" + Environment.NewLine +
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"scanline == 10 && (cycle >= 55 && cycle <= 100)" + Environment.NewLine +
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"x == [$150] || y == [10]" + Environment.NewLine +
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"[[$15] + y] -> Reads the value at address $15, adds Y to it and reads the value at the resulting address." + Environment.NewLine +
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"{$FFFA} -> Returns the NMI handler's address.";
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return tooltip;
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}
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protected override void UpdateConfig()
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{
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base.UpdateConfig();
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if(radAnyAddress.Checked) {
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((Breakpoint)Entity).AddressType = BreakpointAddressType.AnyAddress;
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} else if(radSpecificAddress.Checked) {
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((Breakpoint)Entity).AddressType = BreakpointAddressType.SingleAddress;
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} else if(radRange.Checked) {
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((Breakpoint)Entity).AddressType = BreakpointAddressType.AddressRange;
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}
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}
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protected override bool ValidateInput()
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{
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if(txtCondition.Text.Trim().Length > 0) {
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EvalResultType resultType;
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InteropEmu.DebugEvaluateExpression(txtCondition.Text.Replace(Environment.NewLine, " "), out resultType, false);
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if(resultType == EvalResultType.Invalid) {
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picExpressionWarning.Visible = true;
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return false;
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}
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}
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picExpressionWarning.Visible = false;
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DebugMemoryType type = cboBreakpointType.GetEnumValue<DebugMemoryType>();
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int maxValue = InteropEmu.DebugGetMemorySize(type) - 1;
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if(radSpecificAddress.Checked) {
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if(ValidateAddress(txtAddress, maxValue) < 0) {
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return false;
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}
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} else if(radRange.Checked) {
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int start = ValidateAddress(txtFrom, maxValue);
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int end = ValidateAddress(txtTo, maxValue);
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if(start < 0 || end < 0 || end < start) {
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return false;
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}
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}
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return chkRead.Checked || chkWrite.Checked || (chkExec.Checked && Breakpoint.IsTypeCpuBreakpoint(type)) || txtCondition.Text.Length > 0;
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}
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private int ValidateAddress(TextBox field, int maxValue)
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{
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int value = -1;
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if(!int.TryParse(field.Text, NumberStyles.HexNumber, null, out value) || value > maxValue) {
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field.ForeColor = ThemeHelper.Theme.ErrorTextColor;
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value = -1;
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} else {
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field.ForeColor = ThemeHelper.Theme.TextBoxForeColor;
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}
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return value;
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}
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private void txtAddress_Enter(object sender, EventArgs e)
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{
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radSpecificAddress.Checked = true;
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}
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private void txtFrom_Enter(object sender, EventArgs e)
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{
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radRange.Checked = true;
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}
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private void txtTo_Enter(object sender, EventArgs e)
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{
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radRange.Checked = true;
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}
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private void cboBreakpointType_SelectedIndexChanged(object sender, EventArgs e)
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{
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DebugMemoryType type = cboBreakpointType.GetEnumValue<DebugMemoryType>();
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chkExec.Visible = Breakpoint.IsTypeCpuBreakpoint(type);
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chkProcessDummyReadWrites.Visible = Breakpoint.IsTypeCpuBreakpoint(type);
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string maxValue = (InteropEmu.DebugGetMemorySize(type) - 1).ToString("X2");
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string minValue = "".PadLeft(maxValue.Length, '0');
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lblRange.Text = $"(range: ${minValue}-${maxValue})";
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}
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private void UpdateDummyReadWriteCheckbox()
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{
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if(chkRead.Checked || chkWrite.Checked) {
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chkProcessDummyReadWrites.Enabled = true;
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} else {
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chkProcessDummyReadWrites.Enabled = false;
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chkProcessDummyReadWrites.Checked = false;
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}
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}
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private void chkRead_CheckedChanged(object sender, EventArgs e)
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{
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UpdateDummyReadWriteCheckbox();
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}
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private void chkWrite_CheckedChanged(object sender, EventArgs e)
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{
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UpdateDummyReadWriteCheckbox();
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}
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}
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}
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